ScienceDaily: Galaxies News |
- Massive galaxy cluster verifies predictions of cosmological theory: First detection of kinetic SZ effect in an individual galaxy cluster
- Astronomers probe the primitive nature of a distant 'space blob'
- Hubble and Galaxy Zoo find bars and baby galaxies don't mix
| Posted: 16 Jan 2014 08:35 AM PST By observing a high-speed component of a massive galaxy cluster, scientists have detected for the first time in an individual object the kinetic Sunyaev-Zel'dovich effect, a change in the cosmic microwave background caused by its interaction with massive moving objects. |
| Astronomers probe the primitive nature of a distant 'space blob' Posted: 16 Jan 2014 08:35 AM PST Himiko, a "space blob" named after a legendary queen from ancient Japan, is a simply enormous galaxy, with a hot glowing gaseous halo extending over 55,000 light-years. Not only is Himiko very large, it is extraordinarily distant, seen at a time approximately 800 million years after the Big Bang, when the universe was only 6 percent of its present size and stars and galaxies were just beginning to form. |
| Hubble and Galaxy Zoo find bars and baby galaxies don't mix Posted: 16 Jan 2014 05:51 AM PST Harnessing the power of both the Hubble Space Telescope and the citizen science project Galaxy Zoo, scientists have found that bar-shaped features in spiral galaxies accelerate the galaxy aging process. The astronomers found that the fraction of spiral galaxies with bar features has doubled in the last eight billion years -- the latter half of the history of the universe. |
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